Home / 179,334.72-269,206.20-90,688.32

Finding the Fourth Proportional to 179,334.72, 269,206.20 and 90,688.32

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Solution

The fourth proportional to 179,334.72, 269,206.20 and 90,688.32 is: 136,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,334.72 : 269,206.20 = 90,688.32 : x
  2. Step 2: Convert to fraction form
    179,334.72/269,206.20 = 90,688.32/x
  3. Step 3: Cross multiply
    179,334.72x = 269,206.20 × 90,688.32
  4. Step 4: Simplify right side
    179,334.72x = 24,413,858,011.58
  5. Step 5: Solve for x
    x = 24,413,858,011.58/179,334.72
  6. Step 6: Final answer
    x = 136,135.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.